We show that credit risk accounts for only a small fraction of the observed corporate-Treasury yield spreads for investment grade bonds of all maturities, with the fraction smaller for bonds of shorter maturities; and that it accounds for a much higher fraction of yield spreads for junk bonds....

No consensus has yet emerged from the existing credit risk literature on how much of the observed corporate-Treasury yield spreads can be explained by credit risk. In this paper, we propose a new calibration approach based on historical default data and show that one can indeed obtain consistent...

A number of studies have identified patterns of positive correlation of returns, or comovement, among different traded securities. We distinguish three views of such co- movement. The traditional quot;fundamentalsquot; view explains the comovement of securities through positive correlations in...

We consider two broad views of return comovement: the traditional view, derived from frictionless economies with rational investors, which attributes it to comovement in news about fundamental value, and an alternative view, in which market frictions or noise-trader sentiment delink it from...

A number of studies have identified patterns of positive correlation of returns, orcomovement, among different traded securities. We distinguish three views of such comovement. The traditional \fundamentalsquot; view explains the comovement of securities through positive correlations in the...